linux-kernel - Re: [APPROACH 2 1/2] arm64: dts: amlogic: list all slave clocks for audio clock controller

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Date: Wed, 8 May 2024 12:50:13 -0500
From: Rob Herring <robh@...nel.org>
To: Jan Dakinevich <jan.dakinevich@...utedevices.com>
Cc: Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
	Jerome Brunet <jbrunet@...libre.com>,
	Kevin Hilman <khilman@...libre.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	linux-amlogic@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
	Michael Turquette <mturquette@...libre.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Stephen Boyd <sboyd@...nel.org>
Subject: Re: [APPROACH 2 1/2] arm64: dts: amlogic: list all slave clocks for
 audio clock controller

On Wed, May 08, 2024 at 05:42:58PM +0300, Jan Dakinevich wrote:
> Signed-off-by: Jan Dakinevich <jan.dakinevich@...utedevices.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 27 ++++++++++++++++++++--
>  arch/arm64/boot/dts/amlogic/meson-g12.dtsi | 26 +++++++++++++++++++--
>  arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 26 +++++++++++++++++++--
>  3 files changed, 73 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> index 6d12b760b90f..28f4ec5f39b0 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> @@ -1342,7 +1342,9 @@ clkc_audio: clock-controller@0 {
>  					 <&clkc CLKID_HIFI_PLL>,
>  					 <&clkc CLKID_FCLK_DIV3>,
>  					 <&clkc CLKID_FCLK_DIV4>,
> -					 <&clkc CLKID_GP0_PLL>;
> +					 <&clkc CLKID_GP0_PLL>,
> +					 <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>,
> +					 <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>, <0>;

All 3 cases are just unused clocks on the end. I suppose that's not 
always the case. You could just set 'minItems' in the binding to 
avoid needing to pad the end and the dts changes.

Rob